Mega Code Archive
ListBox and CheckBoxListBox
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using namespace System;
using namespace System::ComponentModel;
using namespace System::Collections;
using namespace System::Windows::Forms;
using namespace System::Data;
using namespace System::Drawing;
public ref class Form1 : public System::Windows::Forms::Form
{
public:
Form1(void)
{
InitializeComponent();
array<Object^>^ Items = gcnew array<Object^> {
"Appleman", "Challa", "Chand", "Cornell",
"Fraser", "Gunnerson", "Harris", "Rammer",
"Symmonds", "Thomsen", "Troelsen", "Vaughn"
};
clBox->Items->AddRange(Items);
lBox->Items->AddRange(Items);
cBox = gcnew array<CheckBox^>(Items->Length);
int j = cBox->Length/2;
for (int i = 0; i < j; i++)
{
// Build Left Column
cBox[i] = gcnew CheckBox();
cBox[i]->Location = Drawing::Point(50, 160+(30*i));
cBox[i]->TabIndex = i+2;
cBox[i]->Text = Items[i]->ToString();
cBox[i]->CheckStateChanged +=
gcnew EventHandler(this, &Form1::cBox_CheckStateChanged);
// Build Right Column
cBox[i+j] = gcnew CheckBox();
cBox[i+j]->Location = Drawing::Point(180, 160+(30*i));
cBox[i+j]->TabIndex = i+j+2;
cBox[i+j]->Text = Items[i+j]->ToString();
cBox[i+j]->CheckStateChanged +=
gcnew EventHandler(this, &Form1::cBox_CheckStateChanged);
}
// Add all CheckBoxes to Form
Controls->AddRange(cBox);
}
private:
System::Windows::Forms::ListBox^ lBox;
System::Windows::Forms::CheckedListBox^ clBox;
array<CheckBox^>^ cBox;
void InitializeComponent(void)
{
this->lBox = (gcnew System::Windows::Forms::ListBox());
this->clBox = (gcnew System::Windows::Forms::CheckedListBox());
this->SuspendLayout();
//
// lBox
//
this->lBox->FormattingEnabled = true;
this->lBox->Location = System::Drawing::Point(356, 32);
this->lBox->Name = L"lBox";
this->lBox->Size = System::Drawing::Size(120, 264);
this->lBox->TabIndex = 3;
this->lBox->SelectedIndexChanged += gcnew System::EventHandler(this, &Form1::lBox_SelectedIndexChanged);
//
// clBox
//
this->clBox->FormattingEnabled = true;
this->clBox->Location = System::Drawing::Point(12, 32);
this->clBox->MultiColumn = true;
this->clBox->Name = L"clBox";
this->clBox->Size = System::Drawing::Size(323, 79);
this->clBox->TabIndex = 2;
this->clBox->ThreeDCheckBoxes = true;
this->clBox->SelectedIndexChanged += gcnew System::EventHandler(this, &Form1::clBox_SelectedIndexChanged);
this->clBox->ItemCheck += gcnew System::Windows::Forms::ItemCheckEventHandler(this, &Form1::clBox_ItemCheck);
//
// Form1
//
this->AutoScaleDimensions = System::Drawing::SizeF(6, 13);
this->AutoScaleMode = System::Windows::Forms::AutoScaleMode::Font;
this->ClientSize = System::Drawing::Size(494, 392);
this->Controls->Add(this->lBox);
this->Controls->Add(this->clBox);
this->Name = L"Form1";
this->Text = L"Splitting The Check List Box";
this->ResumeLayout(false);
}
System::Void clBox_ItemCheck(System::Object^ sender,
System::Windows::Forms::ItemCheckEventArgs^ e)
{
// update state of CheckBox with same index as checked CheckedListBox
cBox[e->Index]->CheckState = e->NewValue;
}
System::Void clBox_SelectedIndexChanged(System::Object^ sender,
System::EventArgs^ e)
{
// update ListBox with same selected item in the CheckedListBox
lBox->SelectedItem = clBox->SelectedItem->ToString();
}
System::Void lBox_SelectedIndexChanged(System::Object^ sender,
System::EventArgs^ e)
{
// update CheckedListBox with same selected item in the ListBox
clBox->SelectedItem = lBox->SelectedItem;
}
void cBox_CheckStateChanged(Object^ sender, EventArgs^ e)
{
// update state of CheckedListBox with same index as checked CheckBox
CheckBox^ cb = (CheckBox^)sender;
clBox->SetItemCheckState(Array::IndexOf(cBox, cb), cb->CheckState);
}
};
[STAThreadAttribute]
int main(array<System::String ^> ^args)
{
Application::Run(gcnew Form1());
return 0;
}
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